3

MX25U4035

MX25U8035

P/N: PM1394

REV. 1.4, JUL. 23, 2010

(19) Read Electronic Manufacturer ID & Device ID (REMS), (REMS2), (REMS4) .......................................... 26

Table 7. ID Definitions ..................................................................................................................................... 26

(20) Enter Secured OTP (ENSO)..................................................................................................................... 27

(21) Exit Secured OTP (EXSO)........................................................................................................................ 27

(22) Read Security Register (RDSCUR) .......................................................................................................... 27

Table 8. Security Register Definition ................................................................................................................ 28

(23) Write Security Register (WRSCUR).......................................................................................................... 28

(24) HOLD# pin function enable (HDE)............................................................................................................ 28

POWER-ON STATE ...................................................................................................................................................29

ELECTRICAL SPECIFICATIONS..............................................................................................................................30

ABSOLUTE MAXIMUM RATINGS................................................................................................................... 30

Figure 3. Maximum Negative Overshoot Waveform ........................................................................................ 30

CAPACITANCE TA = 25°C, f = 1.0 MHz........................................................................................................... 30

Figure 4. Maximum Positive Overshoot Waveform .......................................................................................... 30

Figure 5. INPUT TEST WAVEFORMS AND MEASUREMENT LEVEL............................................................ 31

Figure 6. OUTPUT LOADING ......................................................................................................................... 31

Table 9. DC CHARACTERISTICS (Temperature = -40°C to 85°C, VCC = 1.65V ~ 2.0V) .............................. 32

Table 10. AC CHARACTERISTICS (Temperature = -40°C to 85°C, VCC = 1.65V ~ 2.0V) ........................... 33

Timing Analysis ........................................................................................................................................................35

Figure 7. Serial Input Timing ............................................................................................................................ 35

Figure 8. Output Timing.................................................................................................................................... 35

Figure 9. Hold Timing ....................................................................................................................................... 36

Figure 10. WP# Setup Timing and Hold Timing during WRSR when SRWD=1............................................... 36

Figure 11. Hardware Reset Timing................................................................................................................... 37

Figure 12. Write Enable (WREN) Sequence (Command 06)........................................................................... 37

Figure 13. Write Disable (WRDI) Sequence (Command 04)............................................................................ 37

Figure 14. Read Identification (RDID) Sequence (Command 9F).................................................................... 38

Figure 15. Read Status Register (RDSR) Sequence (Command 05) .............................................................. 38

Figure 16. Write Status Register (WRSR) Sequence (Command 01)............................................................. 38

Figure 17. Read Data Bytes (READ) Sequence (Command 03) .................................................................... 39

Figure 18. Read at Higher Speed (FAST_READ) Sequence (Command 0B) ................................................ 39

Figure 19. 2 x I/O Read Mode Sequence (Command BB)............................................................................... 40

Figure 20. 4 x I/O Read Mode Sequence (Command EB)............................................................................... 40

Figure 21. 4 x I/O Read enhance performance Mode Sequence (Command EB)........................................... 41

Figure 22. Page Program (PP) Sequence (Command 02).............................................................................. 42

Figure 23. 4 x I/O Page Program (4PP) Sequence (Command 38)................................................................ 42

Figure 24. Continuously Program (CP) Mode Sequence with Hardware Detection (Command AD)............... 43

Figure 25. Sector Erase (SE) Sequence (Command 20)................................................................................ 43

Figure 26. Block Erase 32KB (BE32K) Sequence (Command 52) ................................................................. 44

Figure 27. Block Erase (BE) Sequence (Command D8)................................................................................. 44